Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waning Crescent 15%

01:36

No Set

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:48, Set: 21:10, Transit: 13:29. Moon - Rise: 01:36, Set: No Set. Civil Dark: 21:48 - 05:10. Nautical Dark: 22:37 - 04:21. Astro Dark: 23:42 - 03:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
100
55
55
58

Low Clouds (% Sky Obscured)

24
32
45
50
57
82
75
78
83
94
58
51
40
40
35
35
35
15
57
74
47
26
17
23

Medium Clouds (% Sky Obscured)

79
59
53
86
100
76
100
100
100
100
100
100
100
100
97
100
100
100
100
63
28
0
0
2

High Clouds (% Sky Obscured)

100
100
50
98
100
100
99
98
98
100
85
100
100
100
100
100
100
100
68
56
100
45
40
43

ISS Passover

Visibility (miles)

9
9
9
9
2
3
9
2
6
4
2
4
1
2
3
2
2
6
7
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Moderate Rain
Very Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

67
56
83
95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
93
52
49
51
18
41

Precipitation Amount (mm)

0.5
0
0.3
1
1.1
0.6
1.1
1.5
2.2
2.4
4.6
3.2
5.4
2.6
2.3
2.5
3
0.2
0.4
0
0.2
0.3
0
0

Wind Speed/Direction (mph)

5
4
5
6
7
5
6
5
4
3
5
4
4
5
4
5
7
5
5
6
6
6
5
4

Chance of Frost

Temperature (°C)

24
22
20
19
19
18
18
18
18
17
17
15
15
15
15
15
16
16
16
17
17
18
18
19

Feels Like (°C)

25
24
21
20
18
18
17
18
18
17
17
16
16
15
15
15
15
15
15
16
17
17
20
21

Dew Point (°C)

15
15
14
16
17
18
17
17
17
16
16
15
15
15
15
14
14
15
12
15
15
14
11
9

Relative Humidity (%)

56
64
69
78
92
96
93
95
95
96
95
96
98
98
96
92
92
95
80
90
85
78
62
51

Pressure (mb)

1005
1006
1006
1007
1008
1009
1010
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1009

Ozone (du)

314
313
313
311
311
310
311
312
314
314
314
315
315
318
321
325
327
330
331
334
336
350
353
354

Monday 21

Waning Crescent 8%

02:27

18:50

18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 Bad
17 OK

Sun - Rise: 05:49, Set: 21:09, Transit: 13:29. Moon - Rise: 02:27, Set: 18:50. Civil Dark: 21:47 - 05:12. Nautical Dark: 22:36 - 04:23. Astro Dark: 23:40 - 03:20

Total Clouds (% Sky Obscured)

100
34
15
68
68
65
70
79
80
95
44
41
42
58
48
77
83
70
39
47
16
36
46
24

Low Clouds (% Sky Obscured)

56
20
8
34
34
42
51
43
48
54
22
14
12
17
28
61
67
64
31
42
16
36
40
24

Medium Clouds (% Sky Obscured)

10
5
3
60
62
57
26
33
74
91
32
34
35
41
26
21
23
4
15
15
0
0
17
0

High Clouds (% Sky Obscured)

40
7
4
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
4
9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

50
38
22
66
19
19
35
23
27
26
12
12
16
24
14
13
29
37
12
19
6
4
1
1

Precipitation Amount (mm)

0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
5
6
8
8
8
8
9
11
10
9
10
10
11
11
13
14
13
14
13
12
12

Chance of Frost

Temperature (°C)

18
19
18
17
16
16
16
16
15
15
16
16
15
15
15
14
15
16
18
19
19
19
19
19

Feels Like (°C)

21
19
19
18
16
15
15
15
14
14
14
16
14
15
15
14
14
14
15
17
17
17
18
17

Dew Point (°C)

8
13
15
15
14
14
14
14
13
13
13
13
13
13
12
10
11
11
12
9
7
8
8
9

Relative Humidity (%)

52
69
82
88
89
86
87
86
86
85
83
86
86
86
84
76
74
71
70
54
47
48
48
53

Pressure (mb)

1009
1010
1010
1011
1012
1012
1012
1013
1013
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

354
350
345
341
341
343
334
330
333
338
335
331
333
332
331
333
333
333
332
331
330
326
324
325

Tuesday 22

Waning Crescent 3%

03:33

19:57

18 Good
19 Good
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:50, Set: 21:08, Transit: 13:29. Moon - Rise: 03:33, Set: 19:57. Civil Dark: 21:45 - 05:13. Nautical Dark: 22:34 - 04:24. Astro Dark: 23:37 - 03:22

Total Clouds (% Sky Obscured)

3
15
24
35
45
26
24
25
19
47
24
20
37
46
51
45
60
100
91
99
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
24
29
35
23
24
17
5
18
21
16
15
15
0
0
8
38
30
24
25
23
27
25

Medium Clouds (% Sky Obscured)

0
13
6
12
18
12
0
13
4
0
0
0
0
0
4
0
2
0
61
97
100
100
100
95

High Clouds (% Sky Obscured)

0
0
0
0
2
0
2
2
9
32
3
4
17
20
25
25
29
100
91
99
100
99
100
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
6
8
11
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
8
6
6
5
5
5
5
4
3
3
3
3
2
1
1
2
3
3
4
4
4
5
3

Chance of Frost

Temperature (°C)

19
19
18
17
15
15
14
14
13
13
13
12
12
12
15
18
19
19
20
20
20
20
20
20

Feels Like (°C)

18
20
19
17
15
15
14
14
15
15
13
13
13
13
16
18
19
20
20
20
20
19
19
20

Dew Point (°C)

11
12
13
12
12
11
10
10
10
11
10
9
9
10
11
13
13
12
11
10
8
7
7
7

Relative Humidity (%)

60
63
70
75
78
79
79
79
82
84
84
84
84
84
79
73
70
63
57
50
45
44
42
43

Pressure (mb)

1015
1016
1016
1017
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1011

Ozone (du)

325
326
324
321
320
319
320
319
319
318
319
320
320
322
326
328
329
331
333
332
331
331
331
332

Wednesday 23

Waning Crescent 0%

04:49

20:47

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:51, Set: 21:07, Transit: 13:29. Moon - Rise: 04:49, Set: 20:47. Civil Dark: 21:44 - 05:14. Nautical Dark: 22:33 - 04:26. Astro Dark: 23:35 - 03:25

Total Clouds (% Sky Obscured)

100
100
60
100
100
100
63
62
62
55
57
57
58
58
64
67
67
64
65
68
98
96
79
100

Low Clouds (% Sky Obscured)

41
37
15
49
55
54
26
26
25
24
23
25
26
27
23
17
10
11
15
18
25
31
48
52

Medium Clouds (% Sky Obscured)

93
90
59
97
99
100
62
62
62
55
57
57
55
55
55
55
55
48
47
47
41
37
30
70

High Clouds (% Sky Obscured)

100
98
52
45
40
40
40
40
40
40
45
39
32
20
17
7
0
0
0
2
50
71
73
100

ISS Passover

Visibility (miles)

9
2
9
2
9
9
9
9
9
9
9
9
9
9
9
9
3
9
9
9
9
9
5
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

95
89
95
95
95
91
84
73
52
42
34
38
40
36
43
61
58
48
39
36
44
50
61
54

Precipitation Amount (mm)

1.1
0.4
0.7
1.1
0.8
0.5
0.4
0.4
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

3
8
5
7
4
4
5
5
5
5
5
5
5
5
3
4
4
6
6
6
5
3
8
8

Chance of Frost

Temperature (°C)

18
19
18
17
17
16
15
15
14
14
14
15
14
14
14
14
15
15
15
16
16
16
17
17

Feels Like (°C)

18
17
18
17
16
15
14
16
15
15
16
16
16
15
16
17
18
17
17
17
17
16
16
17

Dew Point (°C)

7
16
17
16
16
14
13
13
13
12
13
13
13
12
11
11
12
10
7
7
6
6
8
10

Relative Humidity (%)

49
85
90
92
95
92
87
89
90
89
90
90
90
90
86
82
80
69
59
55
53
52
55
63

Pressure (mb)

1011
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1013

Ozone (du)

330
332
338
333
337
339
339
339
339
342
344
342
342
340
339
339
338
339
338
338
337
338
339
338

Thursday 24

New Moon 1%

06:10

21:24

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:52, Set: 21:06, Transit: 13:29. Moon - Rise: 06:10, Set: 21:24. Civil Dark: 21:43 - 05:16. Nautical Dark: 22:31 - 04:28. Astro Dark: 23:32 - 03:27

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
97
100
100
100
100
100
84
85
85
87
90
94
97
99
99
99
99
95

Low Clouds (% Sky Obscured)

71
68
65
62
58
60
58
59
73
86
69
70
73
59
39
41
42
49
47
48
59
69
80
79

Medium Clouds (% Sky Obscured)

67
64
64
59
30
35
36
35
33
36
38
33
31
26
39
50
68
71
78
84
78
71
68
71

High Clouds (% Sky Obscured)

100
100
100
84
87
100
77
100
83
72
62
60
7
30
37
67
90
86
84
83
85
83
82
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
5
4
4
4
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

56
57
58
48
32
32
37
12
22
27
29
38
43
39
34
38
43
50
58
64
76
88
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.4
0.7

Wind Speed/Direction (mph)

4
4
4
4
5
4
4
2
2
2
2
2
2
2
2
4
5
6
5
5
6
5
4
6

Chance of Frost

Temperature (°C)

17
16
15
14
14
14
14
13
12
12
12
13
12
12
13
14
14
14
15
15
16
15
15
15

Feels Like (°C)

17
16
15
14
13
13
13
13
12
12
12
13
12
13
14
14
13
13
13
14
14
16
17
16

Dew Point (°C)

10
12
11
10
10
10
10
10
9
9
9
10
10
10
10
9
9
8
8
8
8
8
9
10

Relative Humidity (%)

63
73
74
74
79
79
80
82
81
81
80
86
86
84
80
75
69
66
62
60
57
61
67
71

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

337
337
337
336
336
332
331
333
332
332
332
332
332
332
333
334
334
334
334
333
333
333
334
334

Friday 25

Waxing Crescent 4%

07:29

21:50

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:54, Set: 21:05, Transit: 13:29. Moon - Rise: 07:29, Set: 21:50. Civil Dark: 21:41 - 05:17. Nautical Dark: 22:30 - 04:29. Astro Dark: 23:30 - 03:30

Total Clouds (% Sky Obscured)

90
87
89
92
94
89
86
81
80
73
68
77
88
100
100
99
99
85
75
62
65
68
73
70

Low Clouds (% Sky Obscured)

79
79
79
79
77
74
71
68
67
66
66
75
86
98
97
96
96
77
58
40
42
45
48
53

Medium Clouds (% Sky Obscured)

79
87
89
92
94
89
86
81
80
66
57
65
76
89
79
73
74
77
75
62
65
68
73
53

High Clouds (% Sky Obscured)

56
20
27
20
0
0
0
0
0
1
1
1
1
2
1
1
2
3
4
8
20
27
22
10

ISS Passover

Visibility (miles)

4
4
3
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
81
95
95
70
85
87
82
82

Precipitation Amount (mm)

1.3
2.2
3.3
3.9
6.1
3
1.6
3
2.2
1
0.8
1.1
1.7
2.3
1.7
1
0.2
0.6
1.1
0.2
0.6
0.5
0.3
0.5

Wind Speed/Direction (mph)

5
6
8
7
6
5
4
3
2
3
3
3
3
4
4
3
3
3
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

14
15
14
14
14
14
14
14
13
13
13
13
13
13
14
15
15
16
16
17
17
17
17
18

Feels Like (°C)

16
18
18
15
15
16
16
15
15
13
14
13
14
13
13
15
15
15
15
14
12
19
19
19

Dew Point (°C)

10
11
11
11
12
12
12
12
12
12
12
12
12
12
13
13
13
13
12
11
10
9
9
10

Relative Humidity (%)

75
79
83
84
87
89
90
89
90
92
92
92
92
93
92
89
86
83
77
69
64
61
59
57

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

335
336
336
336
336
336
333
330
328
325
322
319
317
316
315
314
313
313
311
309
308
306
305
303

Saturday 26

Waxing Crescent 9%

08:45

22:11

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK

Sun - Rise: 05:55, Set: 21:04, Transit: 13:29. Moon - Rise: 08:45, Set: 22:11. Civil Dark: 21:40 - 05:18. Nautical Dark: 22:28 - 04:31. Astro Dark: 23:27 - 03:32

Total Clouds (% Sky Obscured)

67
64
75
87
97
96
94
92
89
87
85
83
78
70
65
60
55
51
47
42

Low Clouds (% Sky Obscured)

60
64
72
80
88
86
85
86
86
85
84
71
58
45
39
34
27
30
31
34

Medium Clouds (% Sky Obscured)

28
10
22
26
26
19
17
16
18
18
17
12
6
0
2
0
0
0
0
0

High Clouds (% Sky Obscured)

8
5
3
1
0
0
0
0
0
0
0
8
13
20
20
15
15
13
7
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
64
56
54
48
37
32
21
22
25
10
12
9
2
12
9
2
6
6
4

Precipitation Amount (mm)

0.5
0.2
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
2
3
3
4
3
3
3
3
3
3
3
2
2
2
3
4
4
4

Chance of Frost

Temperature (°C)

17
17
17
16
15
14
14
14
13
13
14
13
14
14
15
16
17
18
18
19

Feels Like (°C)

19
21
22
16
15
16
15
15
14
13
14
13
13
14
13
17
17
18
18
18

Dew Point (°C)

10
12
13
11
11
10
10
10
9
9
10
10
10
10
11
11
11
11
10
9

Relative Humidity (%)

62
70
76
75
76
76
76
75
74
75
76
78
78
76
76
72
66
63
58
53

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

302
302
301
300
299
298
298
298
298
297
297
297
297
296
296
296
296
296
296
296

Forecast for Innenstadt, Wahlkreis St. Gallen, Switzerland (47.42,9.37)

Generated: 20/07/25 18:05:18. Forecast: 20/07/25 to 26/07/25. Timezone: UTC+2.00